Hemophilia Is a Genetic Disease That Has Plagued the Royal

question 21

Multiple Choice

Hemophilia is a genetic disease that has plagued the royal houses of Europe since the time of Queen Victoria, who was a carrier. Her granddaughter, Alexandra, married Nicholas II, the last czar of imperial Russia. Alexandra was a carrier for hemophilia, but Nicholas was normal. Their son, Alexis, was afflicted with the disease. Based on this scenario, it is most likely that

• A) each of the sisters had a 50% chance of being a carrier of the gene.
• B) at least one of the sisters had hemophilia.
• C) all four sisters were carriers of the hemophilia gene.
• D) Alexis inherited the hemophilia gene from Nicholas II.
• E) none of the four sisters carried the hemophilia gene.

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Definitions:

Distortions

Alterations or misrepresentations of reality or perception, often resulting in inaccurate conclusions or judgments.

Self-Report

A method of gathering data where participants provide information about themselves, typically through questionnaires or interviews.

Methodological Flaw

A deficiency or error in the design or execution of a research study that can compromise validity or reliability.

Social Desirability Bias

A tendency for respondents to answer questions in a manner that will be viewed favorably by others, often leading to inaccuracies in self-report measures.